Chromalox PF490-5 - Manuals

Page 2 - WARNING; To reduce the risk of ignition of hazardous atmospheres:; GENERAL; The standard heater is designed to operate up to 7500

WARNING Failure to understand and follow these installation instructions and the WARNING notes contained therein may result in severe personal injury, death or substantial property damage. 1. To reduce the risk of ignition of hazardous atmospheres: In accordance with the National Electrical Code, do...

Page 3 - INSTALLATION; Heater Location instructions:; Figure 3; Figure 2

3 The heaters may be mounted at any convenient height above floor. The minimum spacings shown in Figure 4 should be main-tained to adjacent walls and ceiling. If floor heat is desired, do notmount higher than 8 to 10 feet above floor. Controlling thermostats to individual heaters should be mounted a...

Page 4 - MOUNTING KITS; Figure 5; Wall Mount Kit; Unit Top View

4 MOUNTING KITS Figure 5 Figure 7 Figure 9 Figure 6 Figure 10 Wall Mount Kit Model # WMB-12 12” Fan (3-10 kW)Model # WMB-16 16” Fan (15-20 kW)Model # WMB-20 20” Fan (25-35 kW) Pole or Wall Mount Kit Model # PMB-12 12” Fan (3-10 kW)Model # PMB-16 16” Fan (15-20 kW)Model # PMB-20 20” Fan (25-35 kW) Ce...

Page 5 - WIRING AND WIRING DIAGRAMS; it is; Air stream; Table B – Supply Wiring Requirements

5 WIRING AND WIRING DIAGRAMS ELECTRIC SHOCK HAZARD. Disconnect all powerbefore installing or servicing heater. Failure to do socould result in personal injury or property damage.Heater must be installed by a qualified person in accor-dance with the National Electrical Code, NFPA 70. ELECTRIC SHOCK H...

Page 6 - Transformer Color Code Tabulation; Transformer Color Code Tabulation

6 WIRING DIAGRAMS DIAGRAM I DIAGRAM II Refer to Name Plate for Input Voltage OptionalDisconnectSwitch 1PH L1 L2 GND C1 Elements H1 H2 X1 X2 Refer to Nameplatefor TransformerVoltage Motor T3 T2 Built in or External Thermostat Remove this wirewhen using athermostat M 1 PH Auxiliary Contactor Alarm R C...

Page 7 - The; MODEL NUMBER DESCRIPTION

7 OPERATION EXPLOSION HAZARD. Heater should not be operatedin ambient temperature higher than 40˚C (104˚F) or inatmospheres corrosive to the heater itself. 1. The CXH-A unit heaters use a sealed water-glycol filled heatexchanger. The electric immersion elements transfer heat energydirectly to the fl...

Page 8 - MAINTENANCE AND REPAIR; The occurrence of the manual reset limit control to trip is an; IV. ELECTRICAL COMPONENT SERVICING

MAINTENANCE AND REPAIR The occurrence of the manual reset limit control to trip is an abnormal condition. Care should be taken to determine the exactreason that the high limit control tripped. Possible problem areasc o u l d b e d i r t y h e a t e x c h a n g e r , b l o c k e d a i r i n l e t o r...

Page 9 - CONTROL TRANSFORMER; RENEWAL PARTS IDENTIFICATION

MAINTENANCE AND REPAIR 1. CONTROL TRANSFORMER This item is located in the electrical enclosure. It may be replacedwhile in the enclosure. To service or replace remove the quickconnect wires and mark their locations. Remove two screwswhich hold the transformer in place. Note transformer orientationan...

Page 10 - Electrical Control Voltage; Contactor

RENEWAL PARTS IDENTIFICATION 10 Transformer Contactor Figure 16 1 33 35 50 19 15 17 16 31 34 52 51 32 25 30 26 44 27 28 29 75 50 27 15 6 62 10 CO 8 12 9 49 15 Figure 17 Electrical Control Voltage 24V 120V Contactor 072-304551-002 072-304551-008 Transformer 208/240/480 PRI 315-304252-002 315-304252-0...

Page 11 - MANUFACTURER PART NUMBER BREAKDOWN; Description; Common Parts; Optional Equipment Parts

11 MANUFACTURER PART NUMBER BREAKDOWN (LOCATED ON UNIT NAMEPLATE) Code CXH-A-03 CXH-A-15, CXH-A-25, 05, 07 & 10 18 & 20 30 & 35 Item# Description Part No. Part No. Part No. 1 Panel wrapper 207-303891-001 207-303891-002 207-303891-003 6 Panel Bottom 207-303881-001 207-303881-002 207-30388...