2000 Hook-up Book

a Motive Supply Pressure Powered Pump Thermo Dynamic Steam Trap with Integral Strainer Vented Receiver Condensate Return Temperature Control Sensor Pilot Operated Temperature Control Valve Thermostatic Air Vent Float & Thermostatic Steam Trap Spira-tec Loss Detector Strainer Float & Thermostatic Steam Trap Strainer Spira-tec Loss Detector Temperature Control Sensor Heated Air Steam Supply Steam Supply Thermo Dynamic Steam Trap with Integral Strainer Vacuum Breaker Liquid Expansion Steam Trap Drain to Safe Place

Figure II-26 Controlling and Draining Preheat and Reheat Coils in Vented Condensate System with Freeze Resistant Piping for Makeup Air

Vacuum Breaker

Pilot Operated Temperature Control Valve

Thermostatic Air Vent

Drain to Safe Place

HOOK-UP DIAGRAMS

Outdoor Air

Float & Thermostatic Steam Trap

Liquid Expansion Steam Trap

Spira-tec Loss Detector

Each coil must be individually drained to provide for proper and accurate control. Strainers are not fitted in front of the traps in case they become par tially blocked. Freeze resistant coils must have vacuum breaker, traps sized for full load with 1/2 psi differen tial and unobstructed piping to an atmospheric return system.

a aa

a 96

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