24
Pub. No. 1210 - April 2016
RITE-HITE
®
RHH-4000 Dock Leveler Owner’s Manual
ELECTRICAL SCHEMATIC
DENOTES MALE/FEMALE PLUG CONNECTION
DENOTES WIRE CONNECTIONS THRU TERMINAL BLOCK.
DENOTES WIRE NUT CONNECTION
DENOTES FIELD WIRES.
PB1
FOR VEHICLE RESTRAINT ITC.
TO DOK-LOK CONTROL BOX
"RAISE"
208-240v. 1PH. 60HZ. USE 10.0A DUAL ELEMENT TIME DELAY
208-240v. 1PH. 50HZ. USE 10.0A DUAL ELEMENT TIME DELAY
FROM CUSTOMER MAIN POWER & SAFETY PROTECTION
110-120v. 1PH. 60HZ. USE 15.0A DUAL ELEMENT TIME DELAY
T1
SEE NOTE 1
T2
IF FUSED DISCONNECT IS
NOT PROVIDED BY RITE-HITE
PRODUCTS CORPORATION,
FUSED DISCONNECT MUST
BE PROVIDED BY OTHERS
AND INSTALLED PER LATEST
EDITION OF UL508A AND NEC
REQUIREMENTS.
SEE NOTE 1
FUSED DISCONNECT
SEE NOTE 4
(BY OTHERS)
A BRANCH CIRCUIT DISCONNECT SHALL
BE LOCATED WITHIN A 50 FT. RADIUS
AND BE VISIBLE FROM THE CONTROL
BOX LOCATION. [REFERENCE LATEST
EDITION OF NEC, SECTION 430]
(Thermally Protected
With Auto Reset)
J-BOX
J-BOX
MOTOR
PIT
LEGEND:
SEE PAGE 22 FOR
MOTOR CONNECTION
DETAIL / FLA.
M
NOTE:
1. All Incoming Power (From Disconnect to Control Box) and Leveler Motor
Field Wiring To Be Minimum #12GA./Maximum #10GA. 60/75 Deg. C
Copper Wire, Insulated Sufficiently For Incoming Voltage.
2. All Control Field Wiring To Be Minimum #14GA. 60/75 Deg. C Copper Wire
Only, Insulated Sufficiently For Incoming Power.
3. All Internal Control Box Wiring To Be Minimum #16GA. 90 Deg. C, Red Copper
Wire Unless Otherwise Noted, Insulated Sufficiently For Incoming Power.
4. Incoming Power Field Wiring: See Minimum Wire Size Chart.
G
G
L
N
N
1L1
1
T1
T2
G
FIGURE 22 - RHH (BASE) TYPE 1 CONTROL BOX - 120V./208-240V. 50/60HZ. SINGLE PHASE