Bard QW2S1 Installation Instructions Manual Download Page 1

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Manual

2100-532B

Page

1 of 46

QW SERIES
GEOTHERMAL R-410A
STAGED CAPACITY
PACKAGED HEAT PUMP

INSTALLATION
INSTRUCTIONS

Models:

QW2S1

QW3S1

QW4S1

QW5S1

Manual No.:

2100-532B

Supersedes:

2100-532A

File:

Vol II Tab 14

Date:

07-19-10

Bard Manufacturing Company, Inc.
Bryan, Ohio 43506

Since 1914...Moving ahead, just as planned.

MIS-2736

Earth Loop Fluid

Temperatures 25 – 110

Ground Water Temperature 45 – 75

Summary of Contents for QW2S1

Page 1: ...NSTALLATION INSTRUCTIONS Models QW2S1 QW3S1 QW4S1 QW5S1 Manual No 2100 532B Supersedes 2100 532A File Vol II Tab 14 Date 07 19 10 Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Moving ahea...

Page 2: ...pressor Control Module 23 Adjustments 23 Optional CFM 24 Important Installer Note 24 Phase Monitor 24 Service Hints 24 Sequence of Operation 24 25 Pressure Service Ports 25 Pressure Tables 28 Optional...

Page 3: ...t Wiring D Option 21 Figure 16 Remote Thermostat Wiring H Option 22 Figure 17 Fluid Connections w Ventilation Wall Sleeve 26 Figure 18 Fluid Connections w o Ventilation Wall Sleeve 27 Figure 19 Circul...

Page 4: ...rocedures for Ground Source IGSHPA Heat Pump Systems Soil and Rock Classification for the Design IGSHPA of Ground Coupled Heat Pump Systems Ground Source Installation Standards IGSHPA Closed Loop Geot...

Page 5: ...than one field power conductor circuit is run through one conduit the conductors must be derated Pay special attention to Note 8 of Table 310 regarding Ampacity Adjustment Factors when more than three...

Page 6: ...CE BACK VIEW FREEBLOW OPTIONAL LOW VOLTAGE ELECTRICAL ENTRANCE 1 11 16 3 3 4 3 1 16 3 3 8 VENT OPTIONAL HIGH INTAKE VOLTAGE VENT EXHAUST ENTRANCE ELECTRICAL ACCESS FOR FLUID CONNECTION FOR DORFC PUMP...

Page 7: ...it can not be slid through the door then the unit will have to be put on a cart and tipped down to roll through the door It is recommended that an appliance cart be used with a strap to hold the unit...

Page 8: ...any tags and or labels attached to the equipment While these instructions are intended as a general recommended guide they do not supersede any national and or local codes in any way Authorities havin...

Page 9: ...TARY OR TOGGLE DISCONNECT ELECTRICAL ACCESS BLOW PLENUM BOX TOP SIDE AND LOCKING COVER LOW VOLTAGE OPTIONAL FREE ELECTRICAL ENTRANCE TOP REAR SIDE VENTILATION PERMANENT HIGH VOLTAGE QW2S QW3S 42 000 Q...

Page 10: ...40 FLOOR 8 FT 8 IN INSTALLATION HEIGHT 9 FT MINIMUM REQUIRED UNIT HEIGHT 7 FT 6 IN MINIMUM 25 IN TO DUCT BOTTOM 2 IN MINIMUM FROM DUCT FLANGE INSTALLATION HEIGHT 8 FT 9 IN MINIMUM REQUIRED MINIMUM 12...

Page 11: ...o the ceiling This extends 20 above the unit for a total height above the floor of 10 7 8 The unit is equipped with a variable speed indoor blower motor which increases in speed with an increase in du...

Page 12: ...ewall Ifthedrainistoberoutedthroughanunconditioned space it must be protected from freezing The drain line must be able to be removed from the unit if it is necessary to remove the unit from the wall...

Page 13: ...that the mist eliminator be inspected annually and serviced as required The mist eliminator can be inspected from the outside of the building by looking through the outdoor grille The mist eliminator...

Page 14: ...OVERY VENTILATOR 3 Underneath the heat recovery cassette there is a power connector for the lower blower assembly To disconnect this plug the tabs on both sides of the plug must be squeezed to release...

Page 15: ...ping connections are to be within the confines of this bracket See Figure 1 for cabinet openings and location of fluid coil connection points 2 Position the unit in front of the wall mounting bracket...

Page 16: ...of 46 FIGURE 11 UNIT MOUNTING WITHOUT VENTILATION WALL SLEEVE BRACKET WALL MOUNTING BASE TRIM SIDE TRIM CUT TO LENGTH 41 ADJUSTABLE SIDE TRIM EXTENSION KIT ORDERED SEPARATELY SIDE TRIM EXTENSION MIS 2...

Page 17: ...Manual 2100 532B Page 17 of 46 FIGURE 12 COMPONENTLOCATION WIRE ENTRANCE SIDE FIELD TERMINAL BLOCK REMOTE THERMOSTAT INDOOR DUAL BLOWERS CONTROL BOX CIRCUIT BREAKER PANEL MIS 2745...

Page 18: ...LTAGE WIRING 230 208V 1 PHASE AND 3 PHASE EQUIPMENT DUAL PRIMARY VOLTAGE TRANSFORMERS All equipment leaves the factory wired on 240V tap For 208V operation reconnect from 240V to 208V tap The acceptab...

Page 19: ...for ventilation during occupied programming conditions and feeds through Pin 5 of Plug P2 The W2 terminal is the electric heat signal and feeds through Pin 9 of Plug P2 The W1 E terminal is the emerge...

Page 20: ...CO2 Controller 24VAC O B Out Part 8403 060 C Y2 A Y1 R G Analog Controller Terminal Strip E W2 O C Y2 A W2 Y1 R Temp and Humidity Low Voltage D YO Orange Orange Orange Yellow Green Green Brown White B...

Page 21: ...TAT WIRING DIAGRAM D THERMOSTAT OPTION Blue Pink Purple L O B W1 E Y1 Part 8403 060 C Y2 A W2 G R Temp and Humidity Controller D YO Orange Yellow Brown White Brown 9 8 11 10 PLUG 2 Red Yellow Red Whit...

Page 22: ...E L CO2 Controller Out C Y2 A W2 Analog Temp and Humidity Controller Part 8403 060 Orange Orange Orange Yellow Green Green Brown Brown Brown White Brown Red White PLUG 1 Red Yellow PLUG 2 Red Red Bla...

Page 23: ...ESSURE SWITCH AND LOCKOUT SEQUENCE If the high pressure switch opens the compressor contactor will de energize immediately The lockout timer will go into a soft lockout and stay in soft lockout until...

Page 24: ...eakers to be sure that they are the correct rating 3 The heat pump wall thermostats perform multiple functions Be sure that all function switches are correctly set for the desired operating mode befor...

Page 25: ...2 1 S 2 W Q 0 0 5 0 0 0 8 0 0 8 0 0 9 0 0 0 1 1 S 3 W Q 0 0 5 0 0 0 8 0 0 9 0 5 0 1 0 5 1 1 1 S 4 W Q 0 0 5 0 0 0 9 0 5 1 1 5 2 2 1 0 5 3 1 1 S 6 W Q 0 0 5 0 0 0 9 0 5 2 1 0 0 3 1 0 5 4 1 PRESSURE SER...

Page 26: ...HIPPED WITH UNIT CEILING SIDE TRIM PIECES SHIPPED WITH UNIT IF THE WALL THICKNESS IS LESS THAN 14 BUT GREATER THAN 8 A SIDE TRIM EXTENSION KIT QSTX42 IS REQUIRED REFER FLUID ACCESS FROM SLEEVE TOP OF...

Page 27: ...WITHOUT VENTILATION WALL SLEEVE 23 1 2 8 1 2 66 1 2 4 LEFT BRACKET REMOVED FOR FLOOR FLUID ACCESS FROM FLOOR FLUID ACCESS FROM TOP CLARITY WALL BRACKET OPENING IN REAR OF UNIT 3 x 8 BACK OF UNIT MIS...

Page 28: ...9 8 3 1 3 1 1 0 4 0 4 1 2 1 4 9 4 1 4 2 4 9 5 1 5 3 4 8 6 1 7 4 4 S 5 W Q B D 0 7 e d i S w o L e d i S h g i H 7 3 8 8 2 4 4 0 0 3 1 5 2 1 3 8 5 4 2 3 5 6 5 3 3 2 7 7 4 3 9 7 9 5 3 6 8 1 7 3 3 9 2 8...

Page 29: ...i t a l P 4 8 4 S B P Q t n i a P y a r G X 8 4 S B P Q t n i a P e g i e B e d i s h c a e n o e l l i r g n o i t c e f e d y a w 2 s u l p 8 4 B P Q s a e m a S s g n i l i e C o t s e x o B m u n...

Page 30: ...st be closely matched with the pressure of FIGURE 19 CIRCULATIONSYSTEM head loss of the entire system in order to provide the required flow through the heat pump Insufficient flow through the heat exc...

Page 31: ...capacity If the module selection is correct there is probably trapped air or a restriction in the piping circuit 8 Start the unit in cooling mode by moving the thermostat switch to cool Fan should be...

Page 32: ...10 20 30 40 50 60 70 0 5 10 15 20 25 30 35 Flow GPM Head Feet FIGURE 22 PERFORMANCE MODEL DORFC 2 LOOP PUMP MODULE 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 Flow GPM Head Feet FIGURE 21 PERFORMANCE...

Page 33: ...icated by the arrow on the side of the valve body Table 7 is a table showing the flow rate of each valve Two constant flow rate valves may be installed in parallel to increase the flow For example whe...

Page 34: ...wer disconnect to ON Except as required for safety while servicing do not open the unit disconnect switch 4 Check system airflow for obstructions A Move thermostat fan switch to ON Blower runs B Be su...

Page 35: ...er 3 Corrosion of Metal Corrosion of metal parts results from either highly corrosive water acid water generally not the case with ground water of galvanic reaction between dissimilar metals in the pr...

Page 36: ...suspended in the dry well casing Jet pumps and other types of suction pumps normally consume more electrical energy than similarly sized submersible pumps Pipe the unit the same as a water well system...

Page 37: ...of 46 FIGURE 25 WATER WELL SYSTEM 12 to 15 LAKE or POND WATER LEVEL GRAVEL FILL WELL CAP ELECTRICAL LINE PITLESS ADAPTER TO PRESSURE TANK SUBMERSIBLE PUMP PERFORATED PLASTIC CASING DROP PIPE WATER SU...

Page 38: ...4 8 0 1 2 1 2 8 2 9 8 1 5 5 9 6 2 1 3 1 4 9 9 6 1 2 4 6 6 7 4 1 4 1 6 0 1 5 4 4 2 3 7 4 8 6 1 5 1 1 8 9 6 8 1 6 1 9 6 7 0 2 7 1 9 9 4 8 2 2 8 1 WARNING Thin ice may result in the vicinity of the disc...

Page 39: ...Manual 2100 532B Page 39 of 46 FIGURE 26 WATER SOURCE HEAT PUMP...

Page 40: ...Manual 2100 532B Page 40 of 46 FIGURE 27 WATER SOURCE HEAT PUMP...

Page 41: ...de while the low side shell and suction line contains pressure the pressurized refrigerant and oil mixture could ignite when it escapes and contacts the brazing flame To prevent this occurrence it is...

Page 42: ...it s air noise cabinet duct or motor noise interview customer if necessary Air noise High static creating high blower speed Is airflow set properly Does removing filter cause blower to slow down Check...

Page 43: ...Refer to the manufacturer s authorized replacement list USING THE WRONG CONTROL WILL RESULT IN IMPROPER OR NO BLOWER OPERATION Orient the control module so that the 3 wire motor plug can be inserted...

Page 44: ...Defective Air Volume Low Air Filters Dirty Undersized or Restricted Ductwork Auxillary Heat Upstream of Coil Compressor Will Not Run No Power at Contactor Compressor Will Not Run Power at Contactor Co...

Page 45: ...alled 5 User s Owner s Name Address 6 Unit Location WATER SYSTEM INFORMATION 7 Open Loop System Water Well Closed Loop System A If Open Loop where is water discharged 8 The following questions are for...

Page 46: ...ontactor A 19 Amperage at compressor common terminal A 20 Suction line temperature 6 from compressor F 21 Superheat at compressor F 22 Liquid line temperature at metering device F 23 Coil subcooling F...

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