Grundfos Geo-Flo Universal Pump Controller Installation, Operating And Maintenance Manual page 35

Manual Updates Table
Date Description of Changes
Added note about grounding
Updated Figures to show the latest software version
05JUL2016
Updated thermistor pictures to current version
Updated Figure 3 for panel mount/NPV kit wiring
Updated Figure 21 drawing
28OCT2015
Changed Appendices C through F to D through G
Added Appendix C (thermistor temperature/resistance chart)
Added note about zone valve requirement for 2 unit applications.
23JUL2014
Added zone valves for clarification of application to Figures 4a & 4b.
Added 0-10 VDC output option to General Description and Technical
Specifications (added in software version 3.0).
Updated Note A in figure 2a to include reference to Figures 2c &2d.
Added notes to Figure 2c.
Added wiring diagram for heat pumps with only 230 VAC accessory
output terminals (Figure 2d).
Added caution about incorrect variable speed pump HV wiring.
Added installation tip about panel mount flow centers.
04JUN2014
Added wiring/piping diagrams for one flow center & two heat pumps
Added wiring diagrams for 0-10 VDC output
Updated figures, setup menu descriptions and operation for new 3.0
software.
Added formula for HE/HR.
Updated external relay recommendations based upon the latest
Grundfos communications.
Added new appendix for information on HE/HR calculations
Reformatted manual to match other product IOMs.
Replaced UP26-99 with UPS26-99 (pump upgrade).
Added additional information to Note 1 about the need for an
additional isolation relay for some heat pump controls.
Added two new wiring diagrams for heat pump controls without
accessory relay isolation and for heat pumps without accessory relay
connection.
Added unlock sequence for Lockout mode
17MAR2014
Added screen color to troubleshooting chart
Removed kit # 3696 (Flow Only -- no longer offered); added isolation
relays to pictures, kit part lists; added kit # 3766 (Flow & Tempera-
ture, PVC connections).
Updated verbiage for hi in-rush current conditions
Updated pressurized variable speed submittals to latest version.
Added NP series non-pressurized variable speed flow center
Pages
5,6,22
11.12.14.15
19
8
20
22 - 32
21
8
9
1,2
5
6
7
8
10
11 - 15
14
Appendix C
Appendix F
All
Various
5,6
6
10
11
14
Appendix C
Appendix E