Trebor Quantum Series Di Water Heater - Manual (Page 38)

PAGE 38 QUANTUM DI HEATER OPERATION / MAINTENANCE MANUAL
7.2 PREVENTIVE MAINTENANCE SCHEDULE
Quantum
Init
ial
S
tart
Week
ly
6 M
on
ths
Items V
isu
all
y
Ins
pe
ct
Tighten
X X Process Control / Heater Element Status X
X X Plumbing Leaks X
X X Overpressure Relief Drain & Diaphragm X
X X General Electronics X
X X Solid State Relays (SSR’s) X
X X Main Circuit Breaker X
X X Distribution Breakers & Contactors X
X X Branch Circuit Breakers X
See following table for details on each item.
Verify torque at least every 6 months with a calibrated torque wrench. Do
not over tighten. Consult factory with questions.
Label
Part
Number
Description Torque Value
MCB1 - Circuit Breaker, 3 Pole, 480VAC, 60A - 225A 30.5 Nm / 270 in-lb
MCB1 - Connection Terminal Block,6Wire,14-6AWG 6.0 Nm / 53.1 in-lb
CB1-4 98003862 Circuit Breaker, 3 Pole, 480VAC, 50A 5.6 Nm / 49.6 in-lb
CONT 1-4 98003544 Contactor, 50A, 400V, 3 Pole, 24VDC 2.5 Nm / 22.1 in-lb
SSR 1-8 98004141 SSR, 125A, 4-32VDC, 48-660V 3.7 Nm / 32.7 in-lb
CBH 1E1-12E2 98003865 Circuit Breaker, 2 Pole, 480VAC, 15A 2.5 Nm / 22.0 in-lb
F1-F4 98003253 Fuse Holder, 600V, 30A, 1 Pole 1.6 Nm / 14.2 in-lb
24VDC-PS 98003781 Power Supply, 10A, 320-575VAC, 3 Phase 0.6 Nm / 5.3 in-lb
TLM 1-2 98003897 8 Channel Temperature Monitor 0.4 Nm / 3.1 in-lb
98003505 Connection Block, NO, 24VDC 0.8 Nm / 7.1 in-lb
98003520 Connection Block, NC, 24VDC 0.8 Nm / 7.1 in-lb