Bryant 478-90 - Manual (Page 3)

COOLING CAPACITY
Capacity Total BTUH 90,000
Air Flow CFM 3,000
External S.P. In. wg. .5
Entering Water Temp °F 45
Entering Air (C.W. Coil) °F 80/67
Water Flow GPM 18.5
Outdoor Ambient °F 95
HEATING CAPACITY
Input BTUH *300,000 - 200,000
Output BTUH 225,000 - 150,000
Approved Temp Rise °F 20 - 75
CFM at 75°F Rise
2780 at 225,000 Output
1850 at 150,000 Output
* May be modulated to 100,000 Input.
ELECTRICAL CONNECTIONS
Power Supply 208/230-60-1
Branch Circuit Wire Size Minimum 8 AWG
Branch Circuit Fuses (2) 35 A Cart. Fusetron
19. High temp lock-out manual reset (cooling)
20 . Part load control
21 . High pressure switch (cooling)
22 . Gas valve (cooling)
23 . Auto pilot reignition
24. Pilot gas pressure switch
GAS CONTROL INFORMATION
\ WET COIL
0 . 8 " 0 . 9 " 1 0 " 1 1 " 1 . 2 "
3
R P M B H P R P M B H P R P M B H P R P M B H P R P M B H P
2 940 1.00 975 1.10 1000 1.20 1040 1.25 1075 1.30
1000 1.25 1040 1.35 1075 1.40 1105 1.50 1140 1.60
1050 1.50 1100 1.50 1130 1.80 - - - -
- - - - - - - - - -
Burners - Heating Unit Steel Slotted Port
Number 12
Orifice - Natural »41 (300,000)
Orifice - Propane »55 (300,000)
Orifice - Natural »47 (200,000)
Orifice - Propane »57 (200,000)
Burners - Chiller Aluminum Dipped Steel
Number 8
Orifice - Natural »39
Orifice - Propane »53
Valve - Heating Unit Bryant 3/4" A639B
Valve - Chiller Bryant 3/4" A639B
Limit Heating (2) Automatic Reset
Limit Chiller (2) (1) Auto Reset (1) Manual
Ignition - Heating Unit Automatic
Ignition - Chiller Automatic
Fan Control - Heating Delay Relay
Fan Control - Cooling S.P.S.T. Relay
Pilot - Heating Bryant 2 - H
Pilot - Chiller Bryant 733
Gas Connection - Heating 3/4 NPT
Gas Connection - Chiller 3/4 NPT
Heat Exchanger - Heating Stainless Chromized Steel