background image

268721-YIM-C-0908

Johnson Controls Unitary Products

3

Installation

Limitations

These units must be installed in accordance with the following 
national and local safety codes.

1.

National Electrical Code ANSI/NFPS No. 70 or Canadian 
Electrical Code Part 1, C22.1 (latest editions).

2.

Local plumbing and waste water codes and other 
applicable local codes.

Refer to Table 6 for unit physical data and to Table 5 for electrical 
data.

If components are to be added to a unit to meet local codes, 
they are to be installed at the dealer's and/or the customer's 
expense.

Size of unit for proposed installation should be based on heat 
loss/heat gain calculations made in accordance with industry 
recognized procedures identified by the Air Conditioning 
Contractors of America.

Figure 1: Component Location

Direct Drive Condenser 

Fan Motor 

Highly Efficient Enhanced Copper 

Tube/Aluminum Fin Indoor Coil 

Highly Efficient Enhanced Copper 

Tube/Aluminum Fin Outdoor Coil 

Decorative Protective 

Coil Guard 

5-Speed Direct Drive Blower Motor 

With Slide-Out Blower Assembly

Heavy Gauge 

Removable Base Rails 

High-Efficiency Compressor 

Rigidly Mounted 

Long-Lasting 

Powder Paint Finish 

Low  Voltage 

Terminal Block 

High Voltage 

Terminal Block 

Back And Bottom 

Return Air and Supply 

Air Duct Opening 

Table 1:

Unit Limitations

Size

(Tons)

Unit Voltage

Unit Limitations

Applied Voltage

Outdoor DB Temp

Min

Max

Max (°F)

024

(2.0)

208/230-1-60

187

252

125

030

(2.5)

208/230-1-60

187

252

125

208/230-3-60

187

252

125

460-3-60

432

504

125

036

(3.0)

208/230-1-60

187

252

125

208/230-3-60

187

252

125

460-3-60

432

504

125

042

(3.5)

208/230-1-60

187

252

125

208/230-3-60

187

252

125

460-3-60

432

504

125

048

(4.0)

208/230-1-60

187

252

125

208/230-3-60

187

252

125

460-3-60

432

504

125

060

(5.0)

208/230-1-60

187

252

125

208/230-3-60

187

252

125

460-3-60

432

504

125

Summary of Contents for Affinity BHZ024-060

Page 1: ...ry assembled heat pumps designed for outdoor installation on a roof top or a slab Field installed electric heater accessories are available to provide supplemental electric heat combined with electric cooling and heating The units are completely assembled on rigid removable base rails All piping refrigerant charge and electrical wiring is factory installed and tested The units require only electri...

Page 2: ...limited to building electrical and mechanical codes Before performing service or maintenance operations on unit turn off main power switch to unit Electrical shock could cause personal injury Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified installer or service ag...

Page 3: ...ndenser Fan Motor Highly Efficient Enhanced Copper Tube Aluminum Fin Indoor Coil Highly Efficient Enhanced Copper Tube Aluminum Fin Outdoor Coil Decorative Protective Coil Guard 5 Speed Direct Drive Blower Motor With Slide Out Blower Assembly Heavy Gauge Removable Base Rails High Efficiency Compressor Rigidly Mounted Long Lasting Powder Paint Finish Low Voltage Terminal Block High Voltage Terminal...

Page 4: ... the place of installation Rig the unit by attaching chain or cable slings to the lifting holes provided in the base rails Spreader bars whose length exceeds the largest dimension across the unit MUST be used across the top of the unit Units may be moved or lifted with a forklift Slotted openings in the base rails are provided for this purpose Figure 2 Unit 4 Point Load Weight Do not permit overha...

Page 5: ... SIDE RETURN AIR OPENING SIDE SUPPLY AIR OPENING LOW VOLTAGE CONN 7 8 DIA KNOCKOUT HIGH VOLTAGE CONN 1 31 32 DIA KNOCKOUT HIGH VOLTAGE CONN 7 8 DIA KNOCKOUT A 3 3 4 1 1 2 2 1 2 2 3 8 4 1 2 49 1 8 28 1 4 28 1 4 47 1 4 17 1 4 17 1 4 22 1 4 22 1 4 Table 3 Unit Dimensions Front Unit Size Dimensions A 024 030 036 33 1 2 042 048 060 41 1 2 Table 4 Unit Clearances Direction Distance in Direction Distance...

Page 6: ...NT 26 3 4 CONDENSATE DRAIN 3 4 NPTF LOW VOLTAGE CONN 7 8 DIA KNOCKOUT HIGH VOLTAGE CONN 1 31 32 x 7 8 KNOCKOUT 22 1 2 43 1 2 40 1 2 4 14 1 2 28 3 8 14 1 2 BACK 3 3 8 SIDE RETURN AIR OPENING 14 1 2 3 1 2 3 1 2 15 1 3 4 1 3 4 BOTTOM RETURN AIR OPENING 15 28 9 16 15 1 3 4 BOTTOM SUPPLY AIR OPENING CONDENSER COIL SIDE SUPPLY AIR OPENING ...

Page 7: ...d bottom supply and return air duct openings Roof Curb On applications when a roof curb is used the unit must be positioned on the curb so the front of the unit is tight against the curb Filters Single phase units are shipped without a filter or filter racks It is the responsibility of the installer to secure a filter in the return air ductwork or install a Filter Frame Kit 1FF0114 A filter rack a...

Page 8: ...C and or local ordinances The unit must be electrically grounded in accordance with local codes or in their absence with the N E C C E C Voltage tolerances which must be maintained at the compressor terminals during starting and running conditions are indicated on the unit Rating Plate and Table 5 The wiring entering the cabinet must be provided with mechanical strain relief A fused disconnect swi...

Page 9: ...ed for all field installed 24 volt wire Only required on units with supplemental electric heat PROGRAMMABLE THERMOSTAT ONLY THERMOSTAT UNIT CONTROL BOARD TERMINAL STRIP 24 VOLT TRANSFORMER NOTE HEAT ANTICIPATOR SHOULD BE SET AT 0 25 AMPS FOR ALL MODELS CAUTION Label all wires prior to disconnection when servicing controls Wiring errors cancause improper and dangerous operation Verify proper operat...

Page 10: ...4 6 100 110 208 230 3 60 11 5 77 18 1 2 6 0 None 21 6 30 2NH04501025 7 5 10 1 20 8 24 1 47 6 51 6 50 60 2NH04501525 11 3 15 1 31 3 36 1 60 7 66 7 70 70 460 3 60 5 1 35 8 0 8 3 0 None 10 1 15 2NH04501046 10 1 12 25 2 30 2NH04501546 15 1 18 32 7 35 042 3 5 208 230 1 60 18 6 105 29 1 2 6 0 None 30 5 40 2NP04501006 7 5 10 2 36 1 41 7 75 6 82 5 80 90 2NP04501506 11 3 15 2 54 2 62 5 98 2 108 6 100 110 2...

Page 11: ... R410a R410a R410a R410a R410a R410a Refrigerant charge lb oz 6 0 7 4 9 6 12 0 10 10 11 8 ARI HEATING PERFORMANCE 47 F Capacity Rating Mbh 22 2 27 8 32 8 40 0 45 5 56 0 System Power Kw COP 3 4 3 3 3 0 3 0 3 0 2 90 17 F Capacity Rating Mbh 11 5 14 6 19 2 23 2 27 4 33 0 System Power Kw COP 2 0 2 0 2 3 2 3 2 2 2 0 HSPF BTU Watts hr 7 7 7 7 7 7 7 7 7 7 7 7 DIMENSIONS inches Length 49 1 8 49 1 8 49 1 8...

Page 12: ... Direct Direct Direct Direct Direct Direct No speeds 1 1 1 1 1 1 Number of motors 1 1 1 1 1 1 Motor HP each 1 4 1 4 1 4 1 4 1 4 1 2 RPM 850 850 850 850 850 1100 Nominal total CFM 1800 1800 2400 2400 3000 3000 DIRECT DRIVE EVAP FAN DATA Quantity 1 1 1 1 1 1 Fan Size Inch 10 x 8 10 x 8 11 x 10 11 x 10 11 x 10 11 x 10 Type Centrifugal Centrifugal Centrifugal Centrifugal Centrifugal Centrifugal No spe...

Page 13: ...1030 1922 746 1069 1829 746 1104 1712 728 1134 1528 659 1146 High 5 2214 968 1104 2089 918 1121 1949 859 1136 1785 787 1148 1576 689 1154 Table 8 Bottom Duct Application Model No BHZ Blower Speed Setting External Static Pressure Inches Water Gauge 0 2 0 4 0 6 0 8 1 0 CFM W RPM CFM W RPM CFM W RPM CFM W RPM CFM W RPM 024 2 0 Low 1 721 82 600 611 97 705 Low Medium 2 769 93 628 694 112 730 610 126 83...

Page 14: ...3 0 700 0 01 0 00 0 02 0 03 800 0 01 0 01 0 02 0 03 900 0 01 0 01 0 02 0 04 1000 0 02 0 01 0 02 0 04 1100 0 03 0 01 0 03 0 05 1200 0 04 0 02 0 03 0 06 1300 0 04 0 03 0 03 0 07 1400 0 04 0 04 0 03 0 08 042 3 5 1100 0 03 0 01 0 03 0 05 1200 0 04 0 02 0 03 0 06 1300 0 04 0 03 0 03 0 07 1400 0 04 0 04 0 03 0 08 1500 0 04 0 05 0 04 0 09 1600 0 04 0 06 0 05 0 10 1700 0 05 0 07 0 05 0 11 1800 0 05 0 07 0...

Page 15: ...for cooling has been satisfied the 24 volt Y signal is removed and the M1 contactor is de energized When the fan switch on the thermostat is in the ON position the indoor blower motor continues to run If the fan switch is in the AUTO position the indoor motor ramps down over a 30 second period Table 10 Electric Heat Minimum Supply Air Size Tons Voltage Minimum Supply Air CFM Heater kW 5 0 7 5 10 0...

Page 16: ...ibit feature prohibits defrost if the coil temperature is above 40 F A forced defrost feature puts the system into a defrost period every 6 hours and 4 minutes to recirculate lubricants unless the coil temperature is above 40 F All defrost timing occurs only while the compressor is on During the defrost mode the defrost control will provide a 24 volt signal from terminal W1 66 to the fan control t...

Page 17: ...G VALVE ENERGIZED SYSTEM OPERATES IN COOLING COMPRESSOR AND OUTDOOR FAN INSTANT OFF FAN 60 SEC DELAY OFF FAN INSTANT ON OFF COMPRESSOR AND OUTDOOR FAN INSTANT ON AFTER ANTI SHORT CYCLE DELAY SYSTEM OPERATES IN HEATING COMPRESSOR AND OUTDOOR FAN INSTANT OFF FAN 60 SEC DELAY OFF FAN INSTANT ON W ON HEATER BANK 1 ELEC HEAT INSTANT ON HEATER BANK 2 ELEC HEAT 10 SEC DELAY ON HEATER BANK 3 ELEC HEAT 20 ...

Page 18: ...M OPERATES IN HEATING HEATER BANK 1 2 3 ELEC HEAT INSTANT ON HEATER BANK 4 5 6 ELEC HEAT 10 SEC DELAY ON OFF COMPRESSOR AND OUTDOOR FAN INSTANT OFF HEATER BANK 4 5 6 ELEC HEAT INSTANT OFF HEATER BANK 1 2 3 ELEC HEAT SEC DELAY OFF FAN 60 SEC DELAY OFF W ON FAN INSTANT ON HEATER BANK 1 2 3 ELEC HEAT INSTANT ON HEATER BANK 4 5 6 ELEC HEAT 10 SEC DELAY ON OFF HEATER BANK 4 5 6 ELEC HEAT INSTANT OFF HE...

Page 19: ...268721 YIM C 0908 Johnson Controls Unitary Products 19 Typical Wiring Diagrams Typical BHZ024 060 Heat Pump 208 230 1 60 volt Wiring Diagram ...

Page 20: ...268721 YIM C 0908 20 Johnson Controls Unitary Products Typical BHZ030 060 Heat Pump 230 3 60 volt Wiring Diagram ...

Page 21: ...268721 YIM C 0908 Johnson Controls Unitary Products 21 Typical BHZ030 060 Heat Pump 460 3 60 volt Wiring Diagram ...

Page 22: ...s only Manifold sets must be at least 700 psig high side and 180 psig low side with 550 psig retard All hoses must have a service pressure rating of 800 psig Leak detectors must be designed to detect HFC refrigerants Systems must be charged with liquid refrigerant Use a commercial type metering device in the manifold hose R 410A can only be used with POE type oils POE type oils rapidly absorb mois...

Page 23: ...268721 YIM C 0908 Johnson Controls Unitary Products 23 ...

Page 24: ... change without notice Printed in U S A 268721 YIM C 0908 Copyright 2008 by Johnson Controls Inc All rights reserved Supersedes 268721 YIM B 0807 Johnson Controls Unitary Products 5005 York Drive Norman OK 73069 ...

Reviews: