P40u, p40u-i – Schwank P40U Fenwal User Manual
Page 48
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48
P40U-F / P40U-IF I&O Manual
IM101220
RD: MAY 2014
RL: 5A
HONEYWELL S87-J WIRING DIAGRAM
P40U, P40U-I
:
24V OR 120 VOLT THERMOSTAT
SINGLE HEATER PER THERMOSTAT
Each tube heater requires 120V, 60 HZ electrical power sized for 145VA. The heater includes
a 24V/120V relay switch . Maximum power draw for internal 24V burner components is 21VA.
The heater must be electrically grounded in accordance with the National Electrical Code.
ANSI / NFPA 70 or current Canadian Electrical code CSA C22.1.
A maximum night set-back of 9°F (5°C) is recommended for optimum economy and comfort.
To maintain satisfactory comfort levels do not turn off the heating system over night/weekends.
Models P40U-P, -W …. Next Page
Multiple Heaters/Thermostat … Page 27
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