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CONTENTS
Page
CONTROL SELECTION GUIDE ............... 3
STANDARD WIRING PACKAGES ............ 4-8
Manual Fan Control ......................... 4
Thermostatic Fan Control,
2-Pipe Systems ............................ 4
Thermostatic Fan Control,
2-Pipe System with Safety Cycle ............ 5
Thermostatic Electric Valve Control, 2-Pipe ... 5
Thermostatic 2-Pipe Auxiliary Electric Heat
with Valve Control ......................... 6
Thermostatic 2-Pipe Total Electric Heat
with Valve Control ......................... 7
Thermostatic Valve Control, 4-Pipe ........... 8
ELECTRIC HEAT ............................ 9
Application ................................. 9
Heater Construction ......................... 9
Heater Electrical Data ....................... 9
REMOTE-MOUNTED CONTROLS ............ 10
Standard 3-Speed Switch ................... 10
Combination Thermostat/3-Speed Switch .... 10
Wall Thermostat, 2-Pipe .................... 10
Wall Thermostat, 4-Pipe .................... 10
ALTERNATE WALL THERMOSTATS ......... 11
Wall Thermostat (Honeywell) with Manual
3-Speed Fan Switch and ON-OFF Switch ... 11
Wall Thermostat (Sunne) with Manual
3-Speed Fan Switch and ON-OFF Switch ... 11
Page
UNIT MOUNTED CONTROLS .............. 12,13
Standard 3-Speed Switch ................... 12
Combination Thermostat/3-Speed Switch .... 12
Combination Thermostat/ON-OFF
Toggle Switch ............................ 12
Two-Pipe Thermostat ....................... 13
Four-Pipe Thermostat ...................... 13
Automatic Changeover ..................... 13
BASIC DEFINITIONS ....................... 14
FIELD PIPING CONNECTIONS .............. 15
VALVE PACKAGES ....................... 16-19
General ................................... 16
Two-Way Motorized Control Valve ........... 18
Two-Way Motorized Control Valve
with Aquastat Bleed Bypass Line .......... 18
Three-Way Motorized Control Valve ......... 19
No Motorized Control Valve ................. 19
VALVE PACKAGE ARRANGEMENTS ....... 20-23
PIPING COMPONENTS .................... 24-27
Cv FACTOR vs WATER PRESSURE DROP ... 28
SYSTEM COMPONENT WORKING
PRESSURE ............................... 29
COPPER WATER TUBE AND JOINT MATERIAL
PRESSURE RATINGS ..................... 30
CORRECTION FACTORS FOR GLYCOL ...... 31
STANDARD ACCESSORIES AND OPTIONS .. 32
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