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036-21489-001-C-1004

12

Unitary Products Group

FACTORY-INSTALLED OPTIONS

SINGLE INPUT ELECTRONIC ENTHALPY ECONO-
MIZERS 

- Includes a slide-in / plug-in damper assembly 

with fully modulating spring-return motor actuator capa-
ble of introducing up to 100% outdoor air with nominal 
1% leakage type dampers.

The enthalpy system contains one sensor that monitors 
the outdoor air and determines when the air is cool 
enough and dry enough to provide free cooling.

The rainhood is painted to match the basic unit and must 
be field-assembled before installing.

Power exhaust is not available as a field installed option.

POWER EXHAUST

 - Our single economizer options are 

available with power exhaust. Whenever the outdoor air 
intake dampers are opened for free cooling, the exhaust 
fan will be energized to prevent the conditioned space 
from being over-pressurized during economizer opera-
tion.

The exhaust fan, motor and controls are installed and 
wired at the factory. The rain hood and the back-draft 
damper need to be assembled and installed in the field.

The power exhaust option can only be used on bottom 
duct configurations.

MOTORIZED OUTDOOR AIR INTAKE DAMPER

 - 

Includes a slide-in / plug-in damper assembly with a 2-
position, spring return motor actuator which opens to a 
pre-set position whenever the supply air blower is oper-
ating and will drive fully closed when the blower unit 
shuts down.

The rain hood is painted to match the basic unit and 
must be field assembled before installing.

PHENOLIC COATED EVAPORATOR AND CON-
DENSER COILS

 - Special coating process that utilizes 

Technicoat 10-1" processes. Coating is applied by total 
immersion of the complete coil for maximum protection.

ELECTRIC HEATERS

 wired for single point power sup-

ply. These nickel chromium heater elements are pro-
vided with limit and automatic reset capability to prevent 
operation at excessive temperatures.

FILTER OPTIONS

 - Standard units are shipped with 2” 

throw-away filters installed. 2” pleated and 4” pleated fil-
ters are offered as a factory installed option.

CONVENIENCE OUTLET

 - This 110 volt outlet can be 

“powered” by the unit with a stepdown transformer or 
you may order the unit with a “non-powered” conve-
nience outlet that can be wired in the field.

DISCONNECT SWITCH

 - For gas heat units and cooling 

units with electric heat, a HACR breaker sized to the unit 
is provided. For cooling only units, a switch sized to the 

largest electric heat available for the particular unit is 
provided. Factory installed option only.

BAS - Building Automation System Controls

Simplicity

®

 

Intelli

-

Comfort

 CONTROL - 

The York

®

 

Simplicity

®

 

Intelli

-

Comfort

 control is factory installed. 

It includes a supply air sensor, a return air sensor, and 
an outside air sensor. There are provisions for a field 
installed dirty filter indicator switch, an air-proving switch, 
an Outside Air Humidity sensor, a Return Air Humidity 
sensor, an Inside IAQ sensor, and an Outside Air IAQ 
sensor. Construction mode operation, 365-day real time 
clock with 7 day programming plus holiday scheduling is 
built-in. Two different modes of demand ventilation are 
achieved through the 

Intelli

-

Comfort

 using CO

2

 sen-

sors. It uses an inside CO

2

 sensor to perform Demand 

Ventilation. It can also use an Outside CO

2

 sensor to 

perform Differential Demand Ventilation. It uses a Pat-
ented Comfort Ventilation algorithm to provide comfort-
able ventilation air temperature. The patented 
economizer-loading algorithm will protect the equipment 
when harsh operating conditions exist. Humidity in the 
occupied space or return duct can be monitored and 
controlled via humidity sensors and the on-board con-
nection for hot gas re-heat system. It uses the INTELLI-
Start™ algorithm to maximize energy savings by recov-
ering the building from the Unoccupied Setpoints to the 
Occupied Setpoints just in time for the Occupied Time 
Period to begin. The 

Simplicity

®

 

Intelli

-

Comfort

 bal-

ances space temperature, ventilation air temperature, 
CO

2

 and humidity for ultimate comfort.

Simplicity

®

 

Intelli

-

Comfort

 with ModLINC CONTROL 

The York

®

 

Simplicity

®

 

Intelli

-

Comfort

 with ModLINC 

control is factory installed. It includes all the features of 
the Intelli-Comfort ™ control with an additional control to 
translate communications from MODBUS to the BACnet 
MSTP protocol.

Novar

®

 BAS CONTROL - 

The Novar

®

 ETC-3 building 

automation system controller is factory installed. 
Includes supply air sensor, return air sensor, dirty filter 
indicator switch, and air proving switch.

JOHNSON CONTROLS BAS CONTROL - 

The Johnson 

Control YK-UNT-1126 building automation system con-
troller is factory installed. Includes supply air sensor, 
return air sensor, dirty filter indicator switch, and air prov-
ing switch.

CPC BAS CONTROL - 

The Computer Process Controls 

Model 810-3060 ARTC Advanced Rooftop building auto-
mation system controller is factory installed. Includes 
supply air sensor, return air sensor, dirty filter indicator 
switch and air proving switch.

HONEYWELL BAS CONTROL - 

The Honeywell 

W7750C building automation system controller is factory 
installed. Includes air supply sensor, return air sensor, 
dirty filter indicator switch, and air proving switch.

Summary of Contents for BQ240

Page 1: ...d costly defrosts All units include Powder Paint finish that meets ASTM B 117 1000 hour salt spray standards Two stage cooling provided by dual independent refrigeration circuits with expansion valves...

Page 2: ...DIMENSIONS 20 TON 29 12 ROOF CURB BENEFITS 29 13 UNIT AND CURB APPLICATIONS 29 14 TYPICAL APPLICATIONS 30 15 TYPICAL ROOF TOP INSTALLATION 30 16 Simplicity CONTROL WIRING DIAGRAM 31 LIST OF TABLES Tbl...

Page 3: ...Cooling Only No field installed electric heat G Std Mtr Drive 4 Filters Single Input Econ R Options 3 4 H Std Mtr Drive 4 Filters Single Input Econ Power Exhaust S Option 5 L Std Mtr Drive BAS Ready...

Page 4: ...CQ CPC Controller DFS APS Technicoat Evap Cond Coils Coil Guard CR CPC Controller DFS APS Technicoat Evap Cond Coils Phase Monitor Coil Guard CS CPC Controller DFS APS SS Drain Pan CT CPC Controller...

Page 5: ...in Pan Phase Monitor Coil Guard HU Honeywell Excel 10 Controller DFS APS SS Drain Pan Technicoat Cond Coils HV Honeywell Excel 10 Controller DFS APS SS Drain Pan Technicoat Evap Coil HW Honeywell Exce...

Page 6: ...mplicity Intelli Comfort Controller Technicoat Cond Coil Coil Guard LH Simplicity Intelli Comfort Controller Technicoat Cond Coil Phase Monitor Coil Guard LJ Simplicity Intelli Comfort Controller Tech...

Page 7: ...ase Monitor Coil Guard Hinged Filter Door Toolless Access Panels DE CPC Controller DFS APS Technicoat Cond Coil Hinged Filter Door Toolless Access Panels DF CPC Controller DFS APS Technicoat Cond Coil...

Page 8: ...Door Toolless Access Panels GG Honeywell Excel 10 Controller DFS APS Technicoat Cond Coil Coil Guard Hinged Filter Door Toolless Access Panels GH Honeywell Excel 10 Controller DFS APS Technicoat Cond...

Page 9: ...Coil Phase Monitor Coil Guard Dirty Filter Switch Hinged Filter Door Toolless Access Panels US Technicoat Evaporator Condenser Coils Hinged Filter Door Toolless Access Panels UT Technicoat Evaporator...

Page 10: ...d Coil Coil Guard Hinged Filter Door Toolless Access Panels XH Intelli Comfort w ModLINC Controller Technicoat Cond Coil Phase Monitor Coil Guard Hinged Filter Door Toolless Access XJ Intelli Comfort...

Page 11: ...ockout the compressors when the outdoor air temperature is low or when free cooling is available Anti Short Cycle Protection To aid compressor life an anti short cycle delay is incorporated into the s...

Page 12: ...d Factory installed option only BAS Building Automation System Controls Simplicity Intelli Comfort CONTROL The York Simplicity Intelli Comfort control is factory installed It includes a supply air sen...

Page 13: ...he supply air blower is operating and will drive fully closed when the blower unit shuts down The rain hood is painted to match the basic unit and must be field assembled before installing Power exhau...

Page 14: ...L ECONOMIZER 2 DISPOSABLE FILTERS ECONOMIZER HOOD LONG LASTING POWDER PAINT FINISH TABLE 1 RATINGS MODEL COOLINGCAPACITY1 80 67 95 F 1 Certified in accordance with the Unitary Large Equipment Certifi...

Page 15: ...40 232 214 195 177 158 140 230 21 0 230 226 208 189 171 152 134 57 240 19 8 240 232 214 195 177 158 140 230 21 0 230 226 208 189 171 152 134 AIR ON EVAPORATOR COIL TEMPERATURE OF AIR ON OUTDOOR COIL 1...

Page 16: ...173 206 242 278 KW 13 0 14 0 15 0 16 0 17 0 18 0 19 2 20 3 8000 55 MBH 50 78 113 149 184 220 256 292 KW 12 2 13 0 13 8 14 6 15 4 16 1 17 2 18 2 70 MBH 41 75 109 143 177 211 246 281 KW 13 0 13 8 14 6...

Page 17: ...static pressure and BHP Since no temperature data is given we will assume an air temperature of 70 F Table 5 shows the correction factor to be 0 832 Corrected static pressure 1 5 x 0 832 1 248 IWC Cor...

Page 18: ...036 21489 001 C 1004 18 Unitary Products Group Figure 2 ALTITUDE TEMPERATURE CONVERSION FACTOR...

Page 19: ...7 6 9 5 8 0 2 7 3 6 1 1010 4 0 1 8 5 8 4 9 1 7 6 3 5 3 1 5 6 9 5 8 1 0 7 5 6 3 0 5 7 9 6 7 1020 3 5 1 9 6 1 5 1 1 8 6 5 5 5 1 6 7 1 6 0 1 1 7 8 6 6 0 6 8 3 7 0 1035 3 0 2 0 6 2 5 2 1 9 6 8 5 7 1 7 7 4...

Page 20: ...WG CFM BQ240 6000 8000 9400 WET COIL 0 1 0 1 0 1 ELECTRIC HEAT OPTIONS 18 KW 0 1 0 1 0 1 36 KW 0 1 0 2 0 3 54 KW 0 2 0 3 0 4 72 KW 0 2 0 4 0 6 ECONOMIZER OPTION 0 1 0 1 0 1 HORIZONTAL DUCT CONNECTIONS...

Page 21: ...p o s i t i o n 2 4 V o l t T r a n s f o r m e r T O R E M O T E S E N S O R 2 E T 0 4 7 0 1 3 2 4 I F U S E D O C C W 1 W 2 Y 1 G Y 2 X R S D C R E M O T E M I N P O S The thermostat must provide a...

Page 22: ...RING DISCONNECT T E R M I N A L B L O C K T B 1 G R O U N D L U G T H R E E P H A S E P O W E R S U P P L Y F A C T O R Y O R F I E L D S U P P L I E D D I S C O N N E C T TABLE 10 VOLTAGE LIMITATIONS...

Page 23: ...HEATER OPTION MIN CIRCUIT AMPACITY AMPS MAX FUSE BRKR1 SIZE AMPS RLA EACH LRA EACH MODEL KW2 STAGES AMPS BQ240 208 16 7 150 4 5 19 4 0 0 0 0 100 1 110 E18 13 5 1 37 5 146 9 150 E36 27 0 2 75 1 146 9 1...

Page 24: ...CH LRA EACH MODEL KW2 STAGES AMPS BQ240 208 16 7 150 4 5 19 4 10 0 0 0 110 1 125 E18 13 5 1 37 5 156 9 175 E36 27 0 2 75 1 156 9 175 E54 40 6 2 112 6 177 6 200 E72 54 1 2 150 1 203 7 225 230 16 7 150...

Page 25: ...COIL ROWS DEEP 3 FINS PER INCH 15 FACE AREA Sq Ft 43 3 COMPRESSOR Qty Per Unit 10 TON TANDEM 2 AIR FILTERS QUANTITY PER UNIT 16 X 20 X 2 4 QUANTITY PER UNIT 16 X 25 X 2 4 TOTAL FACE AREA sq ft 20 0 CH...

Page 26: ...ill be provided upon request TABLE 16 MINIMUM CLEARANCES LOCATION CLEARANCE Front 36 Back 24 Less Economizer 49 With Economizer Left Side Filter Access 24 Less Economizer 36 With Economizer Right Side...

Page 27: ...nts with the accessory flange kit panels 2 Connect ductwork to the duct flanges on the rear of the unit OUTDOOR AIR PANEL SIZE 20 TON UNITS 32 1 2 X 43 FIGURE 7 DETAIL X ACCY SIDE SUPPLY RETURN AIR OP...

Page 28: ...D FRONT TABLE 18 FOUR AND SIX POINT LOADS UNIT 4 POINT LOADS LBS TOTAL A B C D 240 2390 514 538 684 654 NOTE These weights are with economizer and 72 kW electric heat UNIT 6 POINT LOADS LBS TOTAL A B...

Page 29: ...036 21489 001 C 1004 Unitary Products Group 29 FIGURE 11 ROOF CURB DIMENSIONS 20 TON FIGURE 12 ROOF CURB BENEFITS FIGURE 13 UNIT AND CURB APPLICATIONS...

Page 30: ...036 21489 001 C 1004 30 Unitary Products Group FIGURE 14 TYPICAL APPLICATIONS FIGURE 15 TYPICAL ROOF TOP INSTALLATION...

Page 31: ...RMINALS ON A LIMITED NUMBER OF THERMOSTATS 3 1 2 4 3 1 2 4 Second stage heating not required on single stage heating units Second stage cooling not required on single stage cooling units Jumper is req...

Page 32: ...electric heat shall be wired for a single power source and include a bank of nickel chro mium elements mounted at the discharge of the supply air blower to provide a high velocity and uniform distribu...

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