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EMI T2HA - page 1
EMI AMERICA SERIES MUL TI-ZONE LIMITED RANGE HEA T PUMP CONDENSING UNITS P/N# 240006458 Rev . 1.1 [04/07] Enviromaster International LLC 5780 Success Dr . Rome, NY 13440 www .enviromaster .com INST ALLA TION, OPERA TION AND MAINTENANCE MANUAL An ISO 9001-2000 Certified Company S2HA Multi-Zone S2HA & T2HA HEA T PUMPS Nominal Circuit Capacities: ...
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EMI T2HA - page 2
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EMI T2HA - page 3
www .enviromaster .com 3 Multi-zone Heat Pump Condensing Units INST ALLA TION, OPERA TION AND MAINTENANCE MANUAL EM I AM ER ICA S ER IE S MU L T I- ZON E HE A T P UM P CO ND EN SIN G UN IT S P/N 240006458, Rev . 1.1 [04/07] Shi pping Dam age MUST be R epor ted t o th e Ca rrier IMM EDIA TEL Y!! ! Exa mine the cart on fo r si gns of da mage if any i ...
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EMI T2HA - page 4
www .enviromaster .com 4 Multi-zone Heat Pump Condensing Units EM I AM ER ICA SE RI ES MUL TI- ZO NE H EA T PU MP CO NDE NS ING UN IT S CON TROLS AND COMP ONEN TS (F ACT ORY INST ALLED OR S UPPLI ED) • Co mp re ss or a nd F a n Mo to r Co nt ac to r • C ap ac it or • Loss of Charge Switch (9&12 Only) • Low V oltage Connections • Large ...
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EMI T2HA - page 5
www .enviromaster .com 5 Multi-zone Heat Pump Condensing Units S2HA INST ALLA TION INSTRUCTIONS 1. Loosen the screws on left and right sides of the front panel. (Do not remove these screws.) 2. Remove the screws on the front of the panel. 3. T o remove front panel: 4. Slide front panel forward to clear side screws and remove. Side discharge unit al ...
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EMI T2HA - page 6
www .enviromaster .com 6 Multi-zone Heat Pump Condensing Units S2HA ELECTRICAL WIRING INST ALLA TION SECTION 3. Use only HACR type breakers or time delay fuses. Select the wire size accord - ing to the ampacity rating. 4. T o access electrical connections and wiring diagram: a) Remove the screws on the side panel adjacent to the back panel. b) The ...
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EMI T2HA - page 7
www .enviromaster .com 7 Multi-zone Heat Pump Condensing Units 8. Check wiring diagram for the re- quired number of low voltage wires to be run between indoor and out- door sections. 9. Connect the 24 V olt wiring matching color to color . Refer to the wiring diagram on the inside panel of the condenser , and also refer to the wiring diagram on the ...
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EMI T2HA - page 8
www .enviromaster .com 8 Multi-zone Heat Pump Condensing Units T2HA INST ALLA TION INSTRUCTIONS N OT E: F or S 2H A i ns ta ll at i on re fe r to t he S 2H A I ns ta l la t io n In st ru ct io n i n t hi s ma nu al . 1. Remove the screw on the back panel. 2. Remove pa n el to ex po se el et ri - c al w ir in g. 3. Locatio n of electric al and tubin ...
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EMI T2HA - page 9
www .enviromaster .com 9 Multi-zone Heat Pump Condensing Units 5. With a screw- driver punch out and re- m o v e t h e knock-outs in the low & high V olt electrical connection box. Note: Power should be run to a weather proof disconnect box usually within 3 feet of the unit. ELECTRICAL WIRING 6. From the disconnect box feed the high V olt wires ...
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EMI T2HA - page 10
www .enviromaster .com 10 Multi-zone Heat Pump Condensing Units The system will support refrigerant runs to the inside unit of up to 100' equivalent feet with a 35' rise included. Th e un it s are furnished with sweat connections and are equipped with refrigerant valves and Schrad er fi ttings for char ging and taking S2HA & T2HA REF ...
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EMI T2HA - page 11
www .enviromaster .com 1 1 Multi-zone Heat Pump Condensing Units 8. Evacuate line to 500 microns or less to ensure all moisture has been removed and there are no leaks. It is il leg al t o dis ch arg e re fri ge ran t in to th e at mo sp her e. U se pr op er r ec lai mi ng m et ho ds & eq ui pm e nt w h en in st al li ng or s er vi ci ng t hi s ...
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EMI T2HA - page 12
www .enviromaster .com 12 Multi-zone Heat Pump Condensing Units 9. Once ce rt ai n o f a go od ev ac ua ti on an d l ea k fr e e j oi nt s, ba ck -s ea t t he va lv es ( co un te r- cl oc kw is e ) t o op en an d al lo w f ac to ry ch ar g e to fi ll li ne s an d i nd oo r u ni t. 1 1. Refer to Field Charging Charts to “fine tune” the refrige ...
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EMI T2HA - page 13
www .enviromaster .com 13 Multi-zone Heat Pump Condensing Units S2HA & T2HA REFRIGERANT PIPING INST ALLA TION SECTION Th e us e of th e su pe rhe at me tho d i s hi gh ly re co mm en ded f or fie ld ch ar gi ng or ch ec ki ng th e ex is ti ng ref ri ge ran t c har ge in a sys te m. Be cau se e ac h ins ta lla tio n is di f fe re nt i n t er ms ...
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EMI T2HA - page 14
www .enviromaster .com 14 Multi-zone Heat Pump Condensing Units MUL TI-ZONE HEA T PUMP FIELD CHARGING ? ...
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EMI T2HA - page 15
www .enviromaster .com 15 Multi-zone Heat Pump Condensing Units ? ...
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EMI T2HA - page 16
www .enviromaster .com 16 Multi-zone Heat Pump Condensing Units ? ...
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EMI T2HA - page 17
www .enviromaster .com 17 Multi-zone Heat Pump Condensing Units MUL TI-ZONE HEA T PUMP FIELD CHARGING ? ...
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EMI T2HA - page 18
www .enviromaster .com 18 Multi-zone Heat Pump Condensing Units ST ARTING THE UNIT • Before starting the unit in cool weather , powe r the syst em 24 hour s b efore at- tempting to start. • Do a final system check using the super - heat/subcooling method. Record results on T est Unit Performance Data sheet (next page). - C o o l i n g m o d e ...
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EMI T2HA - page 19
www .enviromaster .com 19 Multi-zone Heat Pump Condensing Units ST ART -UP AND TROUBLESHOO TING TEST PROCEDURE The T est Unit Performance Data sheet below is provided for use by a qualified ser vice pro fess iona l. In orde r for our T ech ni - cal Service Departme nt to better serve you, please complete and have this information ready when callin ...
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EMI T2HA - page 20
www .enviromaster .com 20 Multi-zone Heat Pump Condensing Units MUL TI-ZONE CONDENSER SEQUENCE OF OPERA TION EMI Amer ica Series mult i-zo ne he at p ump con dense rs are desig ned to opera te with EMI Amer ica Ser ies ind oor air han dler s. Bot h the co nden ser (o utdoo r unit ) and eva porat or (ind oor uni t) have a hig h V olt ser vice con ne ...
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EMI T2HA - page 21
www .enviromaster .com 21 Multi-zone Heat Pump Condensing Units MUL TI-ZONE CONDENSER SEQUENCE OF OPERA TION When the outdoor temperature falls below 35°F , compressor operation will cease. At that point the unit will switch on the indoor units electric heater to assume the heating demand, (second stage of heat) . Note: For full operation the indo ...
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EMI T2HA - page 22
www .enviromaster .com 22 Multi-zone Heat Pump Condensing Units S2HA DIMENSIONS AND SPECIFICA TIONS NOTE: All EMI products are subject to ongoing development programs so design and specifications may change without notice. S2HA ELECTRICAL SPECIFICA TIONS MODEL (1) VOL TS/HZ/PHASE F AN COMPRESSOR 1 COMPRESSOR 2 TOT AL AMPS MIN. CIR. AMPS (2) HACR B ...
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EMI T2HA - page 23
www .enviromaster .com 23 Multi-zone Heat Pump Condensing Units S2HA SYSTEM PERFORMANCE S2HA / WLHA SYSTEM PERFORMANCE MODEL COOLING HEA TING S2HA (Outdoor) Indoor Units Btuh SEER SHR EER Btuh C.O.P . 9900 WLHA09 + WLHA09 18,600 13.0 .80 12.2 16,000 3.3 2200 WLHA12 + WLHA12 22,600 13.0 .72 1 1.9 20,000 3.3 9200 WLHA09 + WLHA12 20,600 13.0 .76 12.0 ...
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EMI T2HA - page 24
www .enviromaster .com 24 Multi-zone Heat Pump Condensing Units T2HA DIMENSIONS AND SPECIFICA TIONS NOTE: All EMI products are subject to ongoing development programs so design and specifications may change without notice. SOUND & WEIGHT DA T A Model Sound Weight dBA Lbs. T2HA8800 70 325 T2HA8400 70 325 T2HA4400 70 325 INTERCONNECTING TUBING S ...
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EMI T2HA - page 25
WLHA / T2HA SYSTEM PERFORMANCE DAT A Model Cooling Heating T2HA Outdoor Condenser Indoor Air Handler Btuh SEER SHR EER Btuh COP 8800 WLHA24 + WLHA24 36000 13 0.72 12.4 29000 3.3 8400 WLHA24 + WLHA24 42000 13 0.68 12.2 34800 3.2 4400 WLHA24 + WLHA24 48000 13 0.65 12.1 40500 3.2 CAHB / T2HA SYSTEM PERFORMANCE DA TA Model Cooling Heating T2HA Outdoor ...
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