Raypak Hot Water Energy Management Control - Manuals

Raypak Hot Water Energy Management Control – Manual in PDF format online.

Manuals:

Manual

Manual Raypak Hot Water Energy Management Control

Summary

Page 3 - THE BIG PICTURE; Section 1. GETTING STARTED; Hot Water Use Throughout the Day

3 THE BIG PICTURE This RayTemp control is designedto make recirculating domestichot water heating systems energyefficient. In a recirculating sys-tem, hot water is continuouslypumped throughout the building.This large loop has many branch-es which extend to fixtures in therooms. It is essentially a ...

Page 4 - WHAT COMES WITH THE CONTROL; Section 2. INSTALLING THE CONTROL; ATTACHING THE TEMPERATURE SENSORS

4 WHAT COMES WITH THE CONTROL Before arriving at the job site to begin the installation, it’s important to first inspect the system anddetermine what materials you will need. Some parts are included with the control while the oth-ers you will need to provide. Check the following list to verify that ...

Page 5 - Procedure for Installing Supply Sensor in Tank:; PROVIDING 24 VAC POWER TO THE CONTROL; Sensor Connections

5 On the sensor end, roll the shielding and tape so it will not contact a conductor. On the controlend, the shield should be grounded. Do not ground both ends of the shielding. Avoid routing wiring on or near other electrical wires, conduit, motors, spark igniters or othersources of high, intermitte...

Page 6 - INSTALLATION LAYOUT

Page 7 - ”DIP” SWITCH SETTINGS ON CIRCUIT BOARD; Make all adjustments with ALL power off.; DIP Switch Setting on Circuit Board

7 ”DIP” SWITCH SETTINGS ON CIRCUIT BOARD CAUTION: Incorrect DIP switch settings may damage the RayTemp!!! Make all adjustments with ALL power off. The four relay outputs are factory set for normally closed dry contacts. These DIP switches arelocated behind the terminal block, on the right side. The ...

Page 8 - CONNECTING THE OPTIONAL “ELSA” BRAND MODEM; DO NOT connect a live phone line directly to the RayTemp control.

CONNECTING THE OPTIONAL “ELSA” BRAND MODEM Raypak recommends the ELSA Microlink 56k modem for data communication. This modem willwork with RayTemp and technical support will be provided if this modem is installed with the cor-rect cables. Raypak will not be able to provide support if you use other m...

Page 9 - USING THE FRONT PANEL TO CHECK SENSORS AND RELAYS

9 USING THE FRONT PANEL TO CHECK SENSORS AND RELAYS The RayTemp front panel features an alphanumeric LCD display of four rows by 20 lines. Six keysare provided to select screens, fields, and make program changes. The up-arrow and down-arrow"WINDOW" keys are used to step thru each of the scre...

Page 10 - Section 3. CONNECTING A COMPUTER; BUILDING OR BUYING INTERFACE CABLES; Description

10 Section 3. CONNECTING A COMPUTER This section explains how to connect your personal computer to the RayTemp. Once connected,you can view all of the front panel screens covered in the previous section. You can also retrievethe recorded data and view color graphs of temperature and demand profiles....

Page 14 - Section 4. PROGRAMMING; QUICK REFERENCE

14 Section 4. PROGRAMMING QUICK REFERENCE This section describes all the programmable features of the control. You make program changesfrom the front panel or by using a laptop. For information on connection with a LapTop using PTTsoftware, refer to the previous section. The following keys provide a...

Page 15 - Screen code and description, in sequence of appearance

15 Screen code and description, in sequence of appearance See page FM PRODUCT IDENTIFICATION - Model, type, and version 17 SE SENSORS - Displays temperature of each standard sensor 17 OS OPTIONAL SENSORS - Displays other sensors 17 RT RELAY TEST - On/Off relay status and manual override 17 ST SENSOR...

Page 16 - Screen Code and Description - continued

16 Screen Code and Description - continued See page HL SELECT - Supply High Limit 20 LL SELECT - Supply Low Limit 20 DW SELECT - Demand window in minutes 20 DM SELECT - Demand % for maximum temperature 20 DA SELECT - Demand % for ASL strategy 20 R0 SELECT - # of Room Sensors Installed 21 R1 SELECT -...

Page 18 - ERASE MEMORY / RESET PROGRAM; Zero Run Meters set all run-time meters to zero.; SECURITY PASSWORD; This screen is used to prevent unauthorized access to the; FRONT PANEL MENU / LOCK; This option provides for limited access by the building care-

18 ERASE MEMORY / RESET PROGRAM ER ERASE/RESET - Press F4 or F5 to select which item will be reset or cleared, then press CTRL+E to confirm each action. Set BAUD Rate will reconfigure the serial port according to the BA screen. If the speed is differ-ent, then reset the BAUD rate on your LapTop (gar...

Page 21 - Select YES if this sensor is connected, otherwise select; R1 SELECT - Minimum Return Temperature; If the return temperature drops below this; R2 SELECT - Return Sensor Response; This is a multiplier which increases the desired tem-

21 RETURN TEMPERATURE The return sensor is used to compensate for seasonal changes in loop heat loss. The strategy mayraise the supply/branch temperature in cold weather to ensure that the last rooms on the loophave hot enough water even during low demand periods. R0 SELECT - Return Sensor Installed...

Page 22 - Enter 1 thru 4 for the number of heaters connected to relay out-

22 BRANCH TEMPERATURE - NOT USED B0 SELECT - # of Branch Sensors Installed Not used. RELAY SEQUENCING HS SELECT - # of Heaters Enter 1 thru 4 for the number of heaters connected to relay out- puts 1 thru 4. This allows the RayTemp to correctly sequence heaters and record demand. SP - SELECT - Stages...

Page 23 - DD SELECT - Differential; Increasing DD lengthens the heater burn cycle decreasing DD; SENSOR OVERRIDE TEST

23 DD SELECT - Differential Increasing DD lengthens the heater burn cycle; decreasing DD improves temperature stability. For instance: desired=140, deadband=1, heater turns off at 141and on at 139. This deadband applies equally to all stages. D1 SELECT - Temperature Delay Between Stages (In addition...

Page 24 - Enter the supply temperature prior to; SAVINGS TEST RESULTS

24 SAVINGS TEST SETUP S1 SELECT - Day of Month for Savings Test Selecting a value other than 0 (default) acti- vates the flip-flop savings test. This test will cause a simulation of conditions before the RayTempwas installed - for 24 hours on the day specified every month. The test will run only on ...

Page 25 - SENSOR CALIBRATION; Supply Offset for sensors 1 thru 7; Supply Offset for sensors 8 thru 15. Not used for this model

25 Total days in service displays the total operating days in modes RUN, BYPASS, and OFF. When 24VAC power is absent this value will not increase however the clock will still operate. Number of power interruptions value is incremented each time 24 VAC power is removed or inter-rupted. ASL strategy t...

Page 29 - WARRANTY; Warranty Card

29 WARRANTY The Raypak RayTemp Control is warranted to be free from defects in material and workmanship for a peri-od of one year from the date of installation or fourteen months from date of shipment, whichever occursfirst. THE FORGOING WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES NOT E...