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Summary of Contents for HYDRO-RAIN HRM-4
- Page 1 Single-Program Mechanical Controller Installation and Operation Guide attempting to install or operate controller...
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Page 2: Table Of Contents
For instance, you to 45 minutes with how they work: Typical program for Station Control might choose to water the HRM-4 and HRM- every other day fusing 4i and 5 to 30 Lawns, shrubs, .. - Page 3 Station. 11. Run time selector For setting separate watering run times for each Station-from 5 to 45 minutes with the HRM-4 and HRM-4i and 5 to 30 minutes with the HRM-6 and HRM-6i. 12. Hanger For mounting case to wall.
- Page 4 Aligns with Station number on Station selector when manually watering a selected Station. 11. Run time selector For setting separate watering run times for each Station-from 5 to 45 minutes with the HRM-4 and HRM-4i and 5 to 30 minutes with the HRM-6 and HRM-6i.
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Page 5: Installing The Controller
120 volt dual electrical at the bottom of the controller. outlet. 6. For the HRM-4 and HRM-6, if the controller is installed outdoors, choose a location that is dry and away from direct water spray. -
Page 6: Connecting The Valves
Connecting the Valves For outdoor models HRM-4 and HRM-6 Wire the valves A. Screw the enclosed wall hanger into the top backside of A. Run valve wiring underground wherever possible. the controller. For line runs less than 800 feet long, use 18-gauge plastic jacketed thermostat control wire;... -
Page 7: Connecting The
Connect the valve wires to controller Connecting the transformer A. Run all valve wires up through hole in bottom right Connect the transformer side of controller. B. Connect the wire from valve number 1 For indoor models HRM-4i and to the terminal screw marked 1 on the controller; HRM-6i the wire from valve number 2 to the terminal 2, and so on. - Page 8 Circuit breaker For outdoor models HRM-4 and HRM-6 If an electrical fault occurs in A. The 120 volt power wires any valve or the wiring that to the transformer must be R E S E T controls it, the circuit breaker...
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Page 9: Selecting The Right Program
Setting the day schedule Selecting the right program Dividing up your yard Set skip-a-day dial Stations let you assign a specific run time to one or The skip-a-day dial lets you choose how more sprinkler heads controlled by a single valve. This to program the days on which your controller will water. -
Page 10: Setting The Run Times
If more than one watering cycle per day is own specific run time-from 5 to desired, you can add additional gears (up to five) to set 45 minutes on the HRM-4, HRM- start up to six start times a day. Simply fasten the tripper... -
Page 11: Typical Program For Lawn And Garden
Typical program for lawn and garden Station. For example, if you select a run time of 15 minutes Here’s how you might set your Hydro Rain controller to for Station 1, your HRM4 or handle a watering schedule for a typical lawn and HRM-4i controller will wait 30 garden. -
Page 12: Installing A Pump-Start Relay
AMP at 24 VAC. C. Connect the second wire to the unused terminal marked COM CAUTION: Stations cannot be set on the HRM-4 and HRM-4i, or to to “OFF”-5 minutes is the the COM terminal shared with the minimum run time. On unused... -
Page 13: Trouble-Shooting
Trouble-shooting Special functions Malfunctions aren’t common, but when they occur, they’re Turning off the system often due to one of these frequently overlooked causes. To prevent automatic watering (for example, if rain is Possible Cause Problem expected), move slide switch to OFF position. This turns off power to the valves but permits clock to continue One or more valves running. - Page 14 1-Year Limited Warranty LIMITED WARRANTY Hydro Rain warrants to the purchaser of its products for a period of one (1) Year from the date of original purchase that any defective product proved to be caused by faulty workmanship or faulty materials, when installed per instructions and used in a normal manner, will be repaired or replaced at Hydro Rain’s option at no charge,...
- Page 15 Your watering schedule Watering Station Days* Run Time Location Start Times Applies only when /-spoke dial installed. Hardie Irrigation TECHNICAL ASSISTANCE CALL: l-800-231-51 17 9455 RAILROAD DRIVE EL PASO, TX 79924 PIN 696501...
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