Wiring the PYROBOX3-TRACE
Heater load connection
Provide contactors C1, C2, C3 and C4 with up to 300 VAC, 30 AMP.
Make sure the wire Gauge (AWG) is suitable for the circuit Amperage draw, as specified in the NEC/
CEC table 1.
Main supply for the power box
Provide terminals L1, N1 with 120 VAC supply.
Connection to 3
rd
party ice/snow sensor (GIT-1 / CIT-1 / SIT/6E) - option
3-wire shielded cable
Up to 2,000 ft (609 m) using 12 AWG 3-wire shielded cable.
Up to 500 ft (152 m) using 18 AWG 3-wire shielded cable.
Tel: (856) 2882882
Tel: +972-3-9626462
Fax: +972-3-9626620
support@meitavtec.com
PYROBOX3/3C/5
-TRACE
Owner’s manual & Technician Settings
Pg. 7
2
1
A
C C R
C
B
R
L1 N1
R
GFCI
Main
supply
120 VAC
F-5A
R
IN
IN
1
2
Current transformer
Transformer
130VA
120/24VAC
Heater load connection
300 VAC max.
30 AMP max.
Intern
al conn
ection
s
Internal connections
Caution: Incorrect voltage may cause fire or seriously damage the unit.
Branch circuit protection
and disconnect provided
by installer. Max. 60A
Important!
If the heaters are connected in star, the neutral must
pass through the internal current transformer and the
external Branch circuit protection.
See
Appendix 1
Aquastat
(option)
PYROULS
(By Meitav-tec)
