Steamist HC-10, Руководство пользователя

Страница: 11 / 14

Digi 20 Series
One Circuit Electronic
24 Hour or 7 Day Time Switches
FIGURE 7. Auto Blowdown and Auto ON/OFF Timeclock
Digi 20A
(surface mounting)
Operating Instructions
APPLICATION
Time based control of lighting, ventilating, heating, cooling or other electrical loads in commercial and industrial applications. The Digi 20 time
switches are programmable for 24-hour or 7-day schedules.
The Digi 20A is intended for either surface or rail mounting. The control is completely enclosed in a plastic housing and includes a terminal
cover and sub-base for installation and hard wiring.
The Digi 20E is intended for flush (panel) mounting.
All units are supplied with a clear plastic dust cover.
TECHNICAL DATA
Output-1 SPDT relay with dry contacts
Switch Rating: 16A/277VAC resistive
1 OOOW tungsten @ 240VAC; 50OW @ 120VAC
1/2 hp @ 120VAC; 1 hp @ 240VAC
100 hour capacitor back-up of memory and display
Supply voltages: Separate Models - 24VAC/DC, 120VAC,
208/240VAC, all 50/6OHz (refer to product label)
Shortest switch time-1 minute
Ambient Temperature Range -20 F to 140 F ( 28 C to 60 C)
VA required: 120V & 240V models: 4VA
24V model: 2VA @ 24VAC, 1VA @ 24VDC
Screw terminal connections (Digi 20A)
1/4" quick connects (Digi 20E)
Accuracy ± 4 minutes per year
WIRING
1. Disconnect the power.
2. Wire input to timer M to the proper
voltage marked on the unit. Wiring to
incorrect voltage will avoid the warranty.
3. Connect wiring according to the wiring
diagram. The terminals on the Digi 20A
sub base will accommodate 10 to 24 AWG
wire.
Mechanical Timer Shown
9