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12

Multi-zone Heat Pump Condensing Units

FIELD CHARGING

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Cooling Cycle

S2HA 9,000 Btuh circuit

with EMI’s-WLHA09 or CAHA12 (

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Note:

Minimum compressor superheat 5° F

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Cooling Cycle

S2HA 12,000 Btuh circuit

with EMI’s-WLHA09 or CAHB12 (

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Note:

Minimum compressor superheat 5° F

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Summary of Contents for Corp

Page 1: ...N 240006458 Rev 1 0 01 07 Enviromaster International LLC 5780 Success Dr Rome NY 13440 www enviromaster com INSTALLATION OPERATION AND MAINTENANCE MANUAL An ISO 9001 2000 Certi ed Company S2HA Multi...

Page 2: ......

Page 3: ...the electric supply to the unit The EMI America Series multi zone heat pump condenser must be con nected only to a properly grounded electrical supply Do not fail to prop erly ground this unit Turn of...

Page 4: ...per Copper coils Wind Baf es Louvers INSTALLER SUPPLIED ITEMS Power wiring Low Volt wiring 18 AWG minimum Secure mounting pad or foundation Refrigerant piping if not supplied Disconnect switch SITE PR...

Page 5: ...side screws and remove Side discharge unit allows for permanent mounting through the feet This is highly recommended due to the vertical design of the unit UNIT MOUNTING SECTION 5 Insert lag bolts thr...

Page 6: ...thin 3 feet of the unit 6 From the disconnect box run the power through the 7 8 hole on the side of the unit and into the electrical box and an chor with the strain relief tting 7 Run wires to the hig...

Page 7: ...at least 18 awg 10 To replace side panel slide the slotted holes of the panel onto the loosened screws of the front panel so that the edge of the front panel covers the edge of the side panel 11 Faste...

Page 8: ...fway mark of the suction riser For example if the suc tion riser is 30 feet tall then a P trap is recom mended at the 15 foot mark of the suction riser see Figure 1 A P trap may be fabri cated using 2...

Page 9: ...e valves by wrapping with a wet rag heat sink before brazing 1 Clean the ends of tubing and insert into ttings 7 Attach manifold set 3 The use of a shield is recommend one can be made from some scrap...

Page 10: ...ass for sweat connections IMPORTANT All systems require eld charge adjustments Refer to the Refrig erant Charge Tables for proper weight charge and to the supplied Field Charging Charts for proper sys...

Page 11: ...be correct for every application To assure the best perfor mancefromtheair conditioner therefrigerant charge should be checked and adjusted if need be on each installation For proper superheat readin...

Page 12: ...p Condensing Units FIELD CHARGING Cooling Cycle S2HA 9 000 Btuh circuit with EMI s WLHA09 or CAHA12 Note Minimum compressor superheat 5 F Cooling Cycle S2HA 12 000 Btuh circuit with EMI s WLHA09 or CA...

Page 13: ...www enviromaster com 13 Multi zone Heat Pump Condensing Units FIELD CHARGING Heat Cycle S2HA 9 000 Btuh circuit with EMI WLHA09 or CAHB12 Heat Cycle S2HA 12 000 Btuh circuit with EMI WLHA12 or CAHB12...

Page 14: ...ure lines occur on the 12 F superheat line 5 Add charge to obtain 12 F superheat Instructions 1 Measure suction pressure and determine evaporator refrigerant temperature on R 22 scale of low side gaug...

Page 15: ...ci c to the unit being installed or call the factory Anti short cycle protection should be used on systems that use a conventional thermostat Evaporator Entering Air WB Evaporator Leaving Air DB Evapo...

Page 16: ...provides 24V low Volt control power to the condenser outdoor unit This can be measured across low Volt terminals R and C Heat pump condensers utilize a reversing valve to provide reverse cycle operat...

Page 17: ...ill be described in the manual pertainingtotheindoorsection TheS2HAwill cease compressor operation at 35 F outdoor temperature If in heating mode the electric heat will take over when the compressor c...

Page 18: ...230 60 1 1 8 0 33 4 3 27 4 3 27 10 4 11 5 15 9200 208 230 60 1 1 8 0 33 3 4 23 4 3 27 9 5 10 6 15 1 Circuit Designators 9 9 000 Btuh 2 12 000 Btuh ex Model 9200 consists of one 9 000 Btuh compressor...

Page 19: ...600 13 0 80 12 2 16 000 3 3 2200 WLHA12 WLHA12 22 600 13 0 72 11 9 20 400 3 3 9200 WLHA09 WLHA12 20 600 13 0 76 12 0 18 200 3 3 S2HA CAHB SYSTEM PERFORMANCE MODEL COOLING HEATING S2HA Outdoor Indoor U...

Page 20: ...Phone 1 800 228 9364 Fax 1 800 232 9364 5780 Success Drive Rome NY 13440...

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